JPS5823666B2 - Automatic tape fastening device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an automatic tape attachment device for a cassette reel.

At present, one of the relatively frequently used cassette reels has a structure as shown in FIG.

In the figure, reference numeral 1 denotes a reel main body made of synthetic resin or the like, and has four dovetail-shaped parts 3 formed on its peripheral surface 2, and by fitting a fastener 4 into the recess 3, a tape 5 is formed.
to hold.

Therefore, the retainer 4 has a groove shape with both ends protruding like flanges.

The fastening of the tape 5 is usually done manually by pushing the fasteners 4 into the four parts 3, which takes time and has been considered a problem when producing cassette tapes.

However, automation to solve this problem has not been generalized in the past because it has been difficult to make the catcher 4 face directly into the recess 3 and there is a risk of damaging the reel body 1 or the catcher 4 if it is forced in. do not have.

This invention has been made based on the above-mentioned circumstances, and is an automatic tape attachment system that can automatically and easily and accurately attach a tape to a pair of cassette reels, and can make the quick attachment more efficient. The present invention seeks to provide an anchoring device.

An embodiment of the present invention will be described below with reference to the drawings.

As shown in FIG. 2, this automatic fastening device can simultaneously fasten the tape 5 to a pair of reel bodies 1a and 1b.

Reference numeral 10 denotes a board of this device, on which a first push rod 11a having an inclined surface at its tip with respect to the reel body 1a, a second push rod 12a having an opposite inclined surface, and a cutter rod 13a are arranged. and constitutes a first automatic locking section.

Although not shown in FIG. 2, a second automatic locking portion having a similar structure is formed symmetrically on the side of the reel main body 1b, sandwiching the tape holding portion.

Reference numeral 14 designates a common tape presser bar, and a catch seat 15 is provided correspondingly thereto to constitute a tape presser portion.

A small roller 17a is attached to the shaft 16a at the base end of the first push rod 11a.

Reference numeral 18a denotes a rotating rod for driving the push rod 11a, which is linked thereto.

A connecting rod 20a is also attached to the base end of the second push rod 12a at the shaft 19a, and this is further connected to a rotating rod 22a for driving by a shaft 21a.

Next, the cutter rod 13a is equipped with a replaceable blade 23a, and a connecting rod 25a is attached to the base end of the cutter rod 13a by a shaft 24a.
Connect to 6.

The blade 23a is held by fitting a pin 13' protruding from the cutter rod 13a into its hole and being held between it and the second push rod 12a.

The blade 23 can be easily removed by removing the spacer between the first and second push rods 11a and 12a and separating the push rod 12a from the cutter rod 13a.

The proximal end side of the tape presser rod 14 is also connected to this shaft 26.

The reference numeral 27b indicated by a two-dot chain line is a magazine serving as an attached child feeding mechanism, which will be described later, and 4ay4b indicates each of the attached children.

Next, these push rods 11a, 12a, cutter rod 13
A and the configuration for driving the tape presser bar 14 will be described.

First, referring to FIG. 3, the basic parts thereof will be described. In the figure, 28 is a motor reduction gear, and its shaft 29 is linked to a shaft 32 via bevel gears 30 and 31.

The shaft 32 has a cam 3 for driving an upper presser plate, which will be described later.
3 will be provided.

Rotation of shaft 320 is transmitted to shaft 36 through meshing of gears 34 and 35.

The shaft 36 has a cutter rod 13a. 13b, a cam 37 for controlling the tape presser rod 14, and the first presser rod 11a.
, 11b, and the cam 3 for controlling the second push rods 12a, 12b.
9a.

39b is provided.

4 and 5, 40 is a small roller that rolls in contact with the cam 33, and the bending rod 41, to which the small roller 40 is attached at one end, is rotatable around a fixed shaft 42. The other end is connected to a T-shaped rotating body 44 by a connecting rod 43.

The T-shaped rotating body 44 has a pair of upper press plates 45a and 4 on the tip side.
5b is elastically supported.

45 is a spring for constantly pulling the bending rod 41 upward.

Next, 46a□>46b is a small roller for rolling while maintaining contact with the cams 38a and 38b, and this small roller 46a is attached to one end of the aforementioned rotating rod 18a, so that the rotating rod 18a is also It is rotatably supported by a fixed shaft 42a.

47a is a spring for constantly rotating the rotating rod 18a in the counterclockwise direction.

The side of the small roller 46b is similarly constructed by a rotating rod 18b, a fixed shaft 42b, a spring 47b, and the like.

48a, 48b are small rollers for rolling in contact with cams 39a, 39b, and these small rollers 48a, 48b
are provided at the ends of the protruding parts of the rotating rods 22a and 22b, respectively.

Rotating rod 22a. 22b are each supported rotatably around a fixed shaft 49.

50a and 50b are springs that constantly apply counterclockwise rotational force to these rotating rods 22a and 22b.

Next, 51 is a small roller for rolling in contact with the cam 37, and a rotating rod 52 that can rotate freely around the fixed shaft 49.
It is connected to the tape presser bar 14 at the long hole portion 14'' on the proximal end side of the tape presser bar 14 that comes into contact with the shaft 26.

In addition, in the figure, 53a and 53b are magazine holders for stably holding the magazine, and the magazine 27a
The t27b has a large number of fasteners housed therein in an orderly manner and is supplied one by one in sequence.

Next, the operation of this locking device will be explained.

First, in the standby state, the first tape attachment part is connected to the first push rod 11a, the second push rod 12a, and the cutter rod 13.
a and the tape presser bar 14 are in the state shown in FIG.

The retainer 4a is supplied from the magazine 27a and is disposed directly facing the recess 3 of the reel body 1a.

Further, in FIG. 5, the upper presser plate 45a is located at the position indicated by the two-dot chain line in the figure.

When the motor reducer 28 is driven here, the shaft 32 rotates via the bevel gears 30 and 31, and the gears 34 and 32 rotate.
The shaft 36 rotates through the engagement of the shafts 35 and 35.

Thus, first cam 33, then cam 37°38a
, 38 b z 39 a t 39 b all start rotating.

First, the cam 33 presses the small roller 40 and bends the rod 41.
rotates counterclockwise, connecting rod 43 and T-shaped rotating body 4
4, the upper presser plate 45a contacts the reel main body 1a while covering it.

In this state, even if the tape 5 is slightly lifted from the substrate 10, it is pressed by the upper presser plate 45a and its position is regulated.

Note that when the thickness of the reel body 1a is, for example, 4 m71, the width of the tape 5 is selected to be 3.8 mrIL, and consideration has been made so that the tape 5 can be regulated to the upper presser plate 45a and can be properly attached to the reel body 1aK. ing.

For the same reason, the thickness of the retainer 1a is also selected to be, for example, 3.8 mm.

At this point, the cam 37 works to push the small roller 51, and the rotating rod 5
The tape presser rod 14 is moved in the longitudinal direction via the sixth
Contact the tape 5 as shown in Figure a.

At the same time, the cam 38a works, and the small roller 46a2 rotation rod 18
a clockwise to move the first push rod 11a in the longitudinal direction.

Therefore, as shown in FIG. 6a, the inclined surface of the push rod 11a hits the shoulder of the catch 4a, making it inclined so that it can be easily pushed in.

At this time, since the retainer 4a is surrounded by the push rods 11a, 12a, the cutter rod 13a, and the tape 5, it maintains the state shown in FIG. 6a and does not deviate.

As the tape presser bar 14 and the push rod 11a further advance, the cam 39a is activated and the cutter bar 13a begins to move in the longitudinal direction via the small roller 48a and the rotating rod 22a, and at the same time, the second push rod 12a also begins to move. do.

In this way, the tape 5 is held between the tape presser bar 14 and the catch seat 15 as shown in FIG. One end of the retainer 4a is inserted into the fourth part 3 in an inclined state.

When the second push rod 12a and cutter rod 13a further advance, the state shown in FIG. Since the tape 5 is cut under tension with the force of , the tape 5 can be easily cut, and the end is pushed into the recess 3 while being wrapped around the fastener 4a, and the fastening is completed without remaining outside. do.

In this way, the push rods 11a, 12a, cutter rod 13a, and tape presser rod 14 begin to retreat and return to the state shown in FIG. 2.

This series of operations is performed simultaneously for the second tape attachment part on the side of the reel body 1b, so that the tail of the tape of the previous cassette is on the side of the reel body 1a, and on the side of the reel body 1b. The head of the next cassette tape is hooked at the same time.

The reel body 1a to which the tape tail is attached is removed as is, and the reel body 1b to which the tape head is attached is removed from the second reel body 1a.
In the figure, the tape is moved to the right side with the tape still attached, and the tape winding device (not shown) is attached to the device to automatically wind a tape of a predetermined length.

While this winding is being done, the new reel body 1
a and 1b are supplied to predetermined positions on the substrate 10, and the same operation is repeated again.

Therefore, according to this fastening device, the tail of the tape of the previous cassette and the head of the tape of the next cassette can be fastened to the pair of cassette reels 1a and Ib at the same time. It has the advantage that the tape can be attached extremely efficiently during manufacturing.

In addition, this fastening device allows the tape to be easily and automatically fastened without damaging the fastener or the reel body, as the fastener is forced into the recess of the reel body. can.

Furthermore, during this time, the position of the fastener is regulated by the tape itself and a pair of push rods, cutter rods, etc., so that an accurate positional relationship can be maintained.

Note that the present invention is not limited to the above-described embodiments, and can be implemented with various modifications without changing the gist.

For example, in the embodiment described above, the tape can be fastened to one pair of reels at the same time, but there is no restriction on the number of reels, and the number may be two, three or more.

Furthermore, in the embodiments described above, the functionality of this device can be further enhanced by automating the supply of reels and tapes.

Further, the shapes of the tips of the first and second push rods are not limited to straight lines, but may be slightly curved.

- As described above, according to the present invention, it is possible to automatically and easily and accurately attach a tape to a pair of cassette reels, thereby increasing the efficiency of tape attachment. An anchoring device may be provided.

[Brief explanation of the drawing]

FIG. 1 is a partial view showing the structure of a reel and a fastener that are objects of the apparatus of the present invention, FIG. 2 is a plan view showing a tape fastening mechanism portion of an embodiment of the present invention, and FIG. FIG. 4 is a front view showing the cam for driving the locking mechanism and its drive source, FIG. 4 is a plan view showing the relationship between these, FIG. 5 is a side view showing the overall configuration, and FIG. 6 is a diagram of the same embodiment. It is an action explanatory diagram. Lla, 1b... Reel body, 2...
Peripheral part, 3... Concave part, 4.4a, 4b...
...Attachment element, 5...Tape, 10...
・Substrate, lla...First push rod, 12a・
...Second push rod, 13a...Cutter bar, 14...Tape presser bar, 15...
- catch seat, 16a...shaft, 17a...small roller, 18a...rotating rod, 19a...
・Shaft, 20a...Connecting rod, 21a...
Shaft, 22a...Rotating rod, 23a...Blade, 24a...Shaft, 25a...Connecting rod,
26...Axis, 27a. 27b...Magazine, 28...Motor reducer, 29...M, 30, 31...
Heherugya, 32... Axis, 33...
Cam, 34, 35...Gear, 36...
- Axis, 37, 38a, 38b, 39a. 39b...Cam, 40...Small roller, 41...Bending rod, 42...Rotating shaft,
43... Connection rod, 44... T-shaped rotating body, 45a, 45b... Upper presser plate, 46a,
46b...Small roller, 47 a t 47
b...Spring, 48a, 48b...
・Small roller, 49...Fixed shaft, 50a, 5
0b... Spring, 51... Small roller, 52... Rotating rod, 53a. 53b...Magazine holder.

Claims (1)

[Claims] 1 A pair of tape fastening parts are arranged symmetrically on both sides of a tape holding part consisting of a tape holding bar and a catch, and these tape fastening parts have a recess that is enlarged inside compared to the opening. a support body for mounting a reel having a reel; a latching child feeding mechanism for supplying a flange-shaped latching element to a position corresponding to the recess of the reel mounted on the support body; a first pushing rod having an inclined surface at its tip for pressing one shoulder of the retainer to insert its one end into the recess; and a first pushing rod having an inclined surface opposite to the inclined surface of the pushing rod at its tip. A second pushing rod is provided for pressing the other shoulder of the fastener to push it into the recess, and a second pushing rod for cutting the tape to be held by the fastener and fastened in the recess. a cutter rod, and a plurality of cams first drive the tape presser rod to press the tape between it and the receiver, and at the same time drive the first pusher rod to tilt the retainer. One end thereof is inserted into the recess, and then the second end is inserted into the recess.
The pressing rod and the cutter rod are driven, and the pressing rod presses the other shoulder of the locking element to start insertion, and the cutter rod cuts the tape and pushes the locking element into the recess. An automatic tape fastening device characterized in that the tape is fastened by inserting the tape into the tape.